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blackfin: io: define __raw_readx/writex with bfin_readx/writex 

Signed-off-by: Steven Miao <realmz6@gmail.com>
This commit is contained in:
Steven Miao 2015-01-20 16:53:38 +08:00
parent b3df664b85
commit 1a3372bc52
1 changed files with 6 additions and 21 deletions
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27
arch/blackfin/include/asm/io.h
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@ -11,27 +11,12 @@
#include <linux/types.h>
#include <asm/byteorder.h>
#define DECLARE_BFIN_RAW_READX(size, type, asm, asm_sign) \
static inline type __raw_read##size(const volatile void __iomem *addr) \
{ \
unsigned int val; \
int tmp; \
__asm__ __volatile__ ( \
"cli %1;" \
"NOP; NOP; SSYNC;" \
"%0 = "#asm" [%2] "#asm_sign";" \
"sti %1;" \
: "=d"(val), "=d"(tmp) \
: "a"(addr) \
); \
return (type) val; \
}
DECLARE_BFIN_RAW_READX(b, u8, b, (z))
#define __raw_readb __raw_readb
DECLARE_BFIN_RAW_READX(w, u16, w, (z))
#define __raw_readw __raw_readw
DECLARE_BFIN_RAW_READX(l, u32, , )
#define __raw_readl __raw_readl
#define __raw_readb bfin_read8
#define __raw_readw bfin_read16
#define __raw_readl bfin_read32
#define __raw_writeb(val, addr) bfin_write8(addr, val)
#define __raw_writew(val, addr) bfin_write16(addr, val)
#define __raw_writel(val, addr) bfin_write32(addr, val)
extern void outsb(unsigned long port, const void *addr, unsigned long count);
extern void outsw(unsigned long port, const void *addr, unsigned long count);